Traffic on the highway was slowed as the trailer blocked several lanes.

Authorities said a woman was driving the big rig as her husband rested in the truck's cabin.

The crash happened when the big rig smashed into the back of a vehicle that was pushing another car along the highway, the California Highway Patrol said. The driver that was pushing the car was airlifted to Reno for his injuries, including substantial blood loss.

The drivers inside the big rig suffered minor injuries.

After the big rig toppled, it stretched across the freeway before it was pulled to the side.

Crews are going to offload the cargo of lettuce inside the trailer before the big rig can be uprighted.

The left lane was opened and traffic remained light, according to the CHP.

IT WILL MEAN FOR THE WEEKEND. A BIG MESS ON INTERSTATE 80 NEAR THE SUMMIT. TAKING A LIVE LOOK, A BIG RIG CARRYING VEGETABLES HAS OVERTURNED. IT IS BLOCKING LANES. BRIAN HICKEY IS LIVE AT THE SCENE. WE ARE JUST OUTSIDE OF TRUCKEE. THIS IS ONE OF THE VEHICLE BEING TOWED AWAY. LOOK AT THE CONDITION OF THIS CAR. THIS LEXUS WAS PUSHING ANOTHER CAR DOWN THE ROAD WITH ENGINE PROBLEMS, AND AT SOME POINT, A BIG RIG WAS COMING UP THE SIDE OF THE FREEWAY AND RAN INTO THE BACK, AND THIS IS WHERE THE BIG RIG ENDED UP, ON ITS SIDE. YOU CAN SEE THE TRAILER IS STILL ON ITS SIDE. AT ONE POINT, IT WAS ALL THE WAY OVER TO THE CENTER DIVIDE AND HAD THE FREEWAY COMPLETELY BLOCKED. THEY HAVE GOTTEN IT OVER ENOUGH TO ALLOW TRAFFIC TO COME THROUGH. WE ARE TOLD THAT ALL THE CARS INVOLVED WERE GOING EASTBOUND. THERE WAS A BROKEN DOWN CAR IN THE SLOW LANE. THAT LEXUS CAME UP FROM BEHIND AND BEGAN PUSHING IT. THEY WERE STILL IN THE SLOW LANE DESPITE THE LARGE SHOULDER. BOTH CARS WERE IN THE SLOW LANE WHEN THE BIG RIG CAME UP BEHIND HIM AND TRIED TO SWERVE AROUND BUT IT WAS TOO LATE AND IT LITERALLY CLIMBED OVER THE TOP OF THE LEXUS. THE DRIVER OF THAT CAR WAS TAKEN TO THE HOSPITAL IN RENO. EVERYONE ELSE HAS BEEN TRANSPORTED WITH WHAT ARE BEING DESCRIBED AS MINOR INJURIES. THE QUESTION NOW IS WHAT THEY WOULD DO WITH THE TRAILER. THEY WILL LIKELY HAVE TO OFFLOAD IT. WHETHER THEY CAN GET IT OVER ENOUGH TO OPEN UP ANOTHER LANEY, THAT IS WHAT THEY ARE CONSIDERING. NEEDLESS TO SAY, THIS WILL BE A

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